Home / 14,248.20-21,372.30-14,053.80

Finding the Fourth Proportional to 14,248.20, 21,372.30 and 14,053.80

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Solution

The fourth proportional to 14,248.20, 21,372.30 and 14,053.80 is: 21,080.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,248.20 : 21,372.30 = 14,053.80 : x
  2. Step 2: Convert to fraction form
    14,248.20/21,372.30 = 14,053.80/x
  3. Step 3: Cross multiply
    14,248.20x = 21,372.30 × 14,053.80
  4. Step 4: Simplify right side
    14,248.20x = 300,362,029.74
  5. Step 5: Solve for x
    x = 300,362,029.74/14,248.20
  6. Step 6: Final answer
    x = 21,080.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.